R 开头的词汇 (1315)

RA (resident assistant)noun宿舍助理rabbitnoun兔子rabbitnoun兔子rabbitnoun兔子raccoonnoun浣熊racen./v.赛跑racenoun赛跑racenoun种族racenoun赛跑radiationnoun辐射radiationnoun辐射radiationnoun辐射radiationnoun辐射radiation beltnoun辐射带radiation zonenoun辐射带radiative forcingnoun辐射强迫radiatornoun暖气片radiatorn.散热器radiatornoun暖气片radicaladjective激进的radicaladjective激进的radicaladj激进的radicaladj激进的,根本的radicaladj激进的radicaladjective根本的,激进的radicallyadverb彻底地radicallyadv彻底地radicallyadv彻底地radionoun收音机radionoun收音机radion.收音机radio stationnoun广播站radio stationnoun广播电台radio telescopenoun射电望远镜radio wavenoun无线电波radioactiveadjective放射性的radiocarbonadjective放射性碳radiocarbonnoun放射性碳radiocarbon datingnoun放射性碳定年radiocarbon datingnoun放射性碳定年法radiometricadjective放射性测年的radiometricadjective放射性测量的radiometric datingnoun放射性测年radiometric datingnoun放射性测年radonnoun氡raftnoun木筏rainnoun雨rainn./v.雨rainnoun雨rainnoun雨raincoatn.雨衣raincoatnoun雨衣rainfallnoun降雨量rainforestnoun雨林rainforestnoun雨林rainforestnoun雨林rainyadj下雨的rainyadjective下雨的rainyadjective下雨的rainyadj.下雨的raiseverb提高raiseverb提高raiseverb提出raiseverb提高raisev.提高,抚养raised fieldnoun高田ramificationnoun后果rampnoun坡道rampantadjective猖獗的randomadjective随机的randomadj随机的randomadjective随机的randomadj随机的randomadjective随机的randomadj随机的randomadjective随机的randomizedadjective随机化的randomlyadverb随机地rangenoun范围rangenoun/verb范围rangenoun范围rangenoun范围rangeverb范围,变动rangenoun范围rangen/v范围rapidadjective迅速的rapidadjective快速的rapidadjective迅速的rapidadjective迅速的rapidadjective快速的rapidadjective迅速的rapidadj迅速的rapidlyadverb迅速地rapidlyadverb迅速地rapidlyadverb迅速地rapidlyadverb迅速地rapidlyadv快速地rapidlyadv迅速地rareadjective稀有的rareadj稀有的rareadjective罕见的rareadjective罕见的rareadjective罕见的rareadjective稀有的rareadjective稀有的rare booknoun珍本rarelyadv很少rarelyadv罕见地rarelyadv罕见地rarelyadverb很少rarelyadverb很少rarelyadverb很少ratnoun大老鼠ratnoun大老鼠ratenoun比率ratenoun比率ratenoun比率ratenoun比率,速度ratheradv相当ratheradv相当ratheradv相当ratheradverb而是ratheradv相当ratheradverb而是rather thanphrase而不是rather thanphrase而不是rather thanphrase而不是ratifyverb批准ratifyverb批准ratingnoun评分rationoun比率rationoun比率,比例rationoun比率rationoun比率rationaladjective理性的rationaladjective理性的rationaladj理性的rationaladj理性的rationaladjective理性的rationaladj理性的rationaladjective理性的,合理的rationalenoun基本原理,理由rationalenoun基本原理rationalizeverb合理化rationalizeverb合理化rationallyadverb理性地rawadj生的rawadj生的rawadj生的rawadj生的,原始的rawadjective原始的rawadj生的razorn.剃须刀reachverb到达reachverb达到reachverb达到reachverb到达reachv.到达,伸手reactverb反应reactverb反应reactv反应reactverb反应reactverb反应,起反应reactverb反应reactverb反应react to动词短语对...作出反应reactionnoun反应reactionnoun反应reactionnoun反应reactionnoun反应reactionaryadj反动的readverb读readv.阅读readverb阅读readverb阅读readverb阅读readverb阅读readilyadv容易地,乐意地readinessnoun准备就绪readingnoun阅读readingn.阅读readingnoun读数readingnoun阅读reading listnoun阅读清单reading roomnoun阅览室reading roomn.阅览室readyadj准备好的readyadj准备好的readyadj准备好的readyadj准备好的realadj真实的realadj真实的realadj真实的realadjective真实的realismnoun现实主义realisticadjective现实的realisticadjective现实的realisticadj现实的realisticadj现实的realisticadjective现实的realisticadjective现实的realitynoun现实realitynoun现实realizeverb实现;意识到realizeverb意识到realizeverb意识到realizeverb实现;意识到realizeverb意识到realizev.意识到reallyadverb真正地reallyadv真正地reallyadv真正地reallyadv.真的reallyadv真正地reallyadverb真正地realmnoun领域reapverb收获reapverb收获rearview mirrorn.后视镜reasonn.原因reasonnoun原因reasonnoun原因reasonnoun理由reasonnoun原因reasonnoun原因reasonnoun原因reasonableadjective合理的reasonableadj合理的reasonableadj合理的reasonableadj合理的reasonableadj合理的reasonableadjective合理的reasonableadjective合理的reasonablyadverb合理地reasonablyadv合理地,相当地reasoningnoun推理reasoningnoun推理reassessverb重新评估recallverb回忆recallverb回忆recallv回忆recallverb回忆receiptnoun收据receiptnoun收据receiptnoun收据receiptnoun收据receiptnoun收据receiptnoun收据receiptn.收据receiveverb收到receivev.收到receiveverb收到receiveverb接收receiveverb收到receiveverb收到recentadj最近的recentadj最近的recentadj最近的recentadjective最近的recentadjective最近的recentadjective最近的recentadjective最近的recentlyadv最近recentlyadverb最近recentlyadv最近recentlyadv最近recentlyadv最近receptionnoun前台receptionnoun前台receptionn.前台receptionnoun前台receptionnoun接待reception desknoun前台receptionistnoun接待员receptionistn.前台接待员recessnoun课间休息(美式)recessionnoun经济衰退recessionnoun衰退recessiveadjective隐性的recessiveadjective隐性的recessive traitnoun隐性性状recipenoun食谱reciprocaladjective互惠的reciprocallyadverb互惠地reciprocitynoun互惠recitationnoun复习课recklessadjective鲁莽的recklessadj鲁莽的recklessadj鲁莽的reckonverb估计reclamationnoun土地复垦recognitionnoun识别,认可recognitionnoun认可recognitionnoun认可recognizeverb认识到recognizeverb认出recognizeverb认出recognizeverb识别recognizeverb认出recognizev.认出recommendverb推荐recommendverb推荐recommendverb推荐recommendverb推荐recommendverb推荐recommendv推荐recommendverb推荐recommendationnoun推荐信recommendationnoun推荐信recommendation letternoun推荐信recommendation letternoun推荐信reconcileverb调和reconcileverb调和reconcilev调和,和解reconcileverb调和,使一致reconciliationnoun和解reconstructverb重建reconstructverb重建reconstructverb重建recordverb记录recordverb记录recordv.记录recordverb记录recordverb记录recordverb记录recordverb记录recordedadjective记录的recordingnoun记录recordingnoun录音recordingnoun录音recountverb叙述recoververb恢复recoverv恢复recoververb恢复recoververb恢复,找回recoververb恢复recoververb恢复recoververb恢复recover from动词短语从...恢复recoverynoun复苏recoverynoun恢复recreation centernoun娱乐中心recruitmentnoun招募recrystallizationnoun重结晶rectangularadjective长方形的rectangularadjective矩形的rectifyverb纠正rectifyverb纠正recycleverb循环利用recycleverb回收recyclev.回收recycleverb回收利用recycleverb回收利用recyclingnoun回收recyclingnoun回收recyclingnoun回收recyclingnoun回收利用recycling binnoun回收箱recycling binnoun回收桶recycling binnoun回收箱rednoun红色rednoun红色red giantnoun红巨星red giantnoun红巨星redistributionnoun再分配redshiftnoun红移redshiftnoun红移reduceverb减少,降低reduceverb减少reduceverb减少reduceverb减少reduceverb减少reduceverb减少reducev.减少reduce to动词短语减少到reductionnoun减少reductionnoun减少redundantadj多余的,冗余的redundantadjective多余的reefnoun礁石reefnoun礁石reentrynoun再入referverb提及referverb参考referverb参考refer toverb提到,参考refer tov.提到,参考refer toverb提及refer toverb提及refer toverb提到,参考refer to as动词短语称为referencenoun推荐信referencenoun参考书referencenoun参考文献referencen.参考referencenoun推荐人reference booknoun参考书reference booknoun参考书reference desknoun咨询台reference letternoun推荐信reference letternoun推荐信reference listnoun参考文献列表referendumnoun公投refineverb精炼;改进refineverb精炼refineverb精炼refineverb精炼refiningnoun精炼refiningnoun精炼reflectverb反映reflectverb反思reflectverb反映reflectverb反映reflectverb反映reflectverb反映reflectv反映;反思reflect onverb反思reflectionnoun反映reflectionnoun反射reflectionnoun反映reforestationnoun重新造林reforestationnoun重新造林reformnoun改革reformverb改革reformnoun改革reformnoun改革reformationnoun宗教改革refractionnoun折射refrigeratornoun冰箱refrigeratornoun冰箱refrigeratornoun冰箱refugeenoun难民refundnoun退款refundnoun退款refundn./v.退款refundnoun退款refundnoun/verb退款refundnoun退款refundnoun退款refuseverb拒绝refusev.拒绝refuseverb拒绝refuseverb拒绝refusedadjective拒绝的refutationnoun反驳refuteverb反驳refuteverb反驳refuteverb驳斥regardverb视为regardverb看待regardv/n认为;关注regard asv.视为regardingpreposition关于regardingpreposition关于regardingprep关于regardingpreposition关于regardlessadverb不顾regardlessadverb不管regardlessadv不管怎样regardless ofprep phrase不管regardless ofphrase不管regardless ofphrase不管regimenoun政权regionnoun区域regionaladjective地区的regionaladjective区域的registerverb登记registerverb注册registerverb登记registerverb注册registerverb登记registerverb注册registered mailn.挂号信registrarnoun注册主任registrarnoun注册主任registrarnoun注册主任registrarnoun注册处registrar's officenoun注册办公室registrationnoun选课注册registrationn.登记registrationnoun选课注册registrationnoun注册registrationnoun注册registration formnoun注册表regolithnoun表土regressionnoun海退regressionnoun回归regretverb后悔regretv.后悔regretverb后悔regularadjective规律的regularadjective规律的regularadjective定期的regularadjective规律的regularadj规律的regularadjective规律的regularadjective定期的regularlyadv定期地,经常地regularlyadv定期地regularlyadverb定期地regularlyadv定期地regularlyadv定期地regulatev管理,调节regulateverb调节regulateverb调节regulateverb调节,管理regulateverb调节;管理regulationnoun法规regulationnoun法规regulationnoun规定rehearseverb排练reimburseverb报销reimburseverb报销reimbursementnoun报销reinforceverb加强,强化reinforceverb加强reinforceverb加强reinforcev加强,强化reinforceverb加强reinforceverb加强reinforceverb加强reinforcementnoun强化reiterateverb重申reiterateverb重申rejectverb拒绝rejectverb拒绝rejectverb拒绝rejectverb拒绝,驳回rejectverb拒绝rejectverb拒绝rejectv拒绝rejectedadj被拒绝的rejectedadjective被拒绝的rejectionnoun拒绝rejectionnoun拒绝rejectionnoun拒绝relateverb关联relatev联系relateverb关联relateverb相关relateverb关联relate tophrase与...相关relate toverb与...相关relate tov.与…有关relatedadjective相关的related tophrase与...有关relatingadjective相关的relationnoun关系relationnoun关系relationshipnoun关系relationshipnoun关系relationshipnoun关系relationshipn.关系relationshipnoun关系relationshipnoun关系relationshipnoun关系relativeadjective相对的relativeadjective相对的relativeadjective相对的relativeadj相对的relativeadjective相对的relativeadj相对的relative datingnoun相对定年relative tophrase相对于relative tophrase相对于relative tophrase相对于relativelyadv相对地relativelyadv相对地relativelyadverb相对地relativelyadverb相对地relativelyadv相对地relativelyadv相对地relativitynoun相对论relaxverb放松relaxverb放松relaxverb放松relaxverb放松relaxv.放松relaxationnoun放松relaxedadjective放松的relaxedadj.放松的releasev/n释放releaseverb释放,发布releaseverb释放releaseverb释放relentlessadjective无情的,持续的relevancenoun相关性relevancenoun相关性relevancenoun相关性relevancenoun相关性relevantadjective相关的,切题的relevantadj相关的relevantadjective相关的relevantadjective相关的relevantadjective相关的relevantadj相关的relevantadj相关的relevant tophrase与...相关reliabilitynoun可靠性reliabilitynoun可靠性reliabilitynoun可靠性reliabilitynoun可靠性reliableadjective可靠的reliableadjective可靠的reliableadj可靠的reliableadjective可靠的reliableadjective可靠的reliableadj可靠的reliableadj可靠的reliancenoun依赖relicnoun遗物reliefnoun缓解reliefnoun浮雕reliefnoun缓解reliefn宽慰relieveverb缓解,减轻relievedadj宽慰的religionnoun宗教religiousadjective宗教的religiousadj宗教的religious studiesnoun宗教学relinquishverb放弃reluctantadjective不情愿的reluctantadjective不情愿的reluctantadj不情愿的reluctantadj不情愿的,勉强的reluctantadjective不情愿的reluctantadj不情愿的relyverb依赖,依靠relyverb依赖relyverb依赖relyverb依赖relyverb依赖relyv依赖relyverb依赖rely onverb phrase依靠rely onv.依赖rely onverb phrase依靠rely onverb依赖remainverb保持remainverb保持remainverb保持remainverb保持remainverb保持remainv.保持,剩余remainverb保持remarknoun评论remarkv/n评论remarkableadj显著的remarkableadj显著的remarkableadj非凡的remarkableadjective显著的remarkableadjective显著的remarkableadjective显著的remarkableadjective显著的remarkablyadv显著地,非凡地remedynoun补救remedyn/v补救,治疗remedynoun补救remedynoun补救方法remedynoun补救remedynoun补救rememberverb记住rememberverb记得rememberv.记得rememberverb记住rememberverb记住rememberverb记得remember doingverb phrase记得做过remember doingverb phrase记得做过remember to doverb phrase记得去做remember to doverb phrase记得去做remindverb提醒remindverb提醒remindverb提醒remindverb提醒remindv.提醒remind ofverb提醒remind ofv.提醒,使想起remind ofverb提醒remindernoun提醒remindernoun提醒remoteadj遥远的remoteadj遥远的remoteadjective遥远的remoteadj遥远的remote controlnoun遥控器remote controlnoun遥控器remote sensingnoun遥感remote worknoun远程工作remote worknoun远程工作removeverb移除removeverb移除removeverb移除removeverb移除removeverb移除removeverb移除,去除removev.移除renaissancenoun文艺复兴renderverb使成为renderverb使成为renderverb使成为renewverb续借renewverb续借renewverb续借renewv.续借renewverb续借renewableadjective可再生的renewableadjective可再生的renewableadjective可再生的renewableadjective可再生的renewable energynoun可再生能源renewable energynoun可再生能源renewalnoun续借renovationnoun翻新renovationnoun翻新renownedadjective著名的renownedadj著名的,有声望的rentnoun/verb租金rentnoun租金rentnoun租金rentverb租rentnoun租金rentverb租rentn./v.租金rent arrearsnoun欠租rent increasenoun涨租rentaladjective租赁的rentaln.租赁reorganizeverb重组repairnoun修理repairnoun修理repairnoun/verb修理repairnoun修理repairverb修理repairverb修理repairv.修理repair shopn.修理店repeatverb重复repeatv.重复repeatverb重复repeatverb重复repeatverb重复repeatedadjective重复的repeatedlyadverb反复地repeatedlyadverb反复地repeatedlyadv反复地repeatedlyadv反复地repelverb击退replaceverb替换replaceverb替换replaceverb更换replaceverb替代replaceverb替换replacev.替换replacementnoun替代replacementnoun替代replicableadjective可复制的replicateverb复制replicateverb复制replicatev复制replyverb回复replyv.回复replyverb回复replyverb回复replyverb回复reply allverb回复所有人reportnoun报告reportverb报告reportnoun报告reportverb报告reportnoun报告reportv.报告reportverb报告reportedlyadverb据报道representverb代表representv代表representverb代表representverb代表representverb代表representverb代表representverb代表representationnoun代表representationnoun代表reproduceverb繁殖reproduceverb繁殖;复制reproduceverb繁殖reproductionnoun繁殖reproductionnoun繁殖reptilenoun爬行动物reptilenoun爬行动物republicnoun共和国reputableadjective声誉好的reputationnoun声誉reputationnoun声誉requestverb请求requireverb需要requireverb需要requireverb需要requireverb需要requireverb需要;要求requireverb需要requirev.要求requiredadjective必需的requiredadjective必修的requiredadjective必修的requiredadjective必需的requiredadjective必修的requiredadjective必修的required coursenoun必修课required coursenoun必修课required coursenoun必修课required coursenoun必修课requirementnoun要求requirementnoun要求requirementnoun要求rescheduleverb重新安排rescheduleverb重新安排reschedulev.重新安排rescuev/n营救researchn/v研究researchnoun研究researchnoun研究researchnoun研究researchnoun/verb研究researchnoun/verb研究researchnoun研究research assistantnoun研究助理research assistantnoun研究助理research assistant (RA)noun研究助理research papernoun研究论文research papernoun研究论文research projectnoun研究项目research questionnoun研究问题researchernoun研究员researchernoun研究员researchernoun研究员researchernoun研究员resembleverb相似resembleverb相似resembleverb相似resembleverb相似resemblev像,类似resembleverb相似resembleverb相似reservationnoun预订reservationnoun预订reservationnoun预订reservationn.预订reservev保留,预订reserveverb预留reserveverb预留reserveverb预订reserveverb预订reservenoun预留reservenoun预留reserve a bookverb预留书籍reserve desknoun预约借书处reserve desknoun预约台reserve sectionnoun预留区reservedadjective矜持的reservedadjective矜持的reservoirnoun水库reservoirnoun水库reservoirnoun储层reservoir rocknoun储集岩reservoir rocknoun储集岩resideverb居住resideverb居住resideverb居住residev居住,存在于resideverb居住residencenoun住所residence hallnoun学生宿舍residence hallnoun宿舍楼residence hallnoun学生宿舍楼residence lifenoun住宿生活residentnoun住校生residentnoun住宿生residentnoun居民resident advisornoun宿舍管理员resident assistantnoun宿舍助理residualadjective剩余的residualadjective剩余的residuenoun残留物resiliencenoun韧性resiliencenoun韧性resilientadjective有弹性的resilientadjective有韧性的resilientadjective有弹性的resilientadj有韧性的resilientadj有韧性的resistverb抵抗resistverb抵制resistverb抵制resistv抵抗resistancenoun抵抗力resistancen抵抗resistantadjective抵抗的resistantadjective抵抗的resistantadjective抵抗的resistantadjective抵抗的resoluteadj坚定的resolutelyadverb坚决地resolutionnoun解决resolutionnoun解决resolutionnoun分辨率resolveverb解决resolveverb解决resolveverb解决resolveverb解决resolvev解决resolveverb解决resolveverb解决resonancenoun共振resortnoun度假村resourcenoun资源resourcenoun资源resourcenoun资源resourcen资源resourcenoun资源resourcenoun资源resourcefuladj足智多谋的resourcefulnessnoun足智多谋respectnoun尊重respectverb尊重respectv.尊重respectnoun尊重respectverb尊重respectableadj体面的,可敬的respectfuladjective尊敬的respectfuladjective尊敬的respectiveadj各自的respectivelyadverb分别地respectivelyadv分别地respectivelyadverb分别地respirationnoun呼吸作用respirationnoun呼吸作用respirationnoun呼吸作用respireverb呼吸respondverb回应respondverb回应respondv回应respondverb回应respondverb回应respondverb回应respondverb回应respond to动词短语回应responsenoun回应responsenoun回应responsenoun回应responsenoun反应responsibilitynoun责任responsibilitynoun责任responsibilitynoun责任responsibilitynoun责任responsibleadjective负责的responsibleadj负责的responsibleadjective负责任的restverb休息restverb休息restverb休息restv.休息restnoun休息restateverb重述restateverb重述restaurantnoun餐厅restaurantnoun餐厅restaurantn.餐厅restaurantnoun餐厅restorationnoun恢复restorationnoun修复restoreverb恢复restorev恢复restoreverb恢复restoreverb恢复restoreverb恢复,修复restoreverb恢复restrainverb抑制restrainverb抑制restrainv抑制,约束restrainverb抑制,控制restrainverb抑制restrictverb限制restrictverb限制restrictverb限制restrictverb限制restrictverb限制restrictverb限制restrictv限制restrictedadjective受限制的restrictionnoun限制restrictionnoun限制restroomn.洗手间restroomnoun洗手间resultnoun结果resultn/v结果resultnoun结果resultnoun结果resultnoun结果resultnoun结果resultnoun结果result fromverb由...引起result fromverb由…引起result fromverb由…引起result fromv.由…引起result inv.导致result inverb导致result inverb导致result inverb导致result inverb导致resultsnoun结果resumenoun简历resumen.简历resumenoun简历resumenoun简历resumenoun简历retainverb保留retainverb保留retainverb保留retainverb保留retainverb保留retainverb保持retainv保留retakeverb重修retakeverb重考retakeverb重修retakeverb重修retentionnoun保留retirev.退休retireverb退休retirementnoun退休retrieveverb检索retrieveverb取回returnverb返回returnverb归还returnverb归还returnverb归还returnverb返回returnv.返回,归还returnverb归还return daten.归还日期return policynoun退货政策reunionnoun聚会reunionnoun校友聚会reusable cupnoun可重复使用杯子revealverb揭示revealv揭示revealverb揭示revealv揭示revealverb揭示revealverb揭示revealverb揭示revenuenoun收入revenuenoun收入,税收revenuenoun收入reverseverb逆转reverseverb逆转reverseverb逆转reverseverb/adjective逆转;相反的reversev/n逆转reversev逆转reverseverb逆转reverse faultnoun逆断层revertverb恢复reviewnoun复习reviewverb复习reviewverb复习reviewv/n复习;评论reviewverb复习reviewverb复习reviewverb/noun复习review sessionnoun复习课review sessionnoun复习课reviseverb修订reviseverb修改reviseverb修订reviseverb修改reviseverb修订reviseverb修订revisev修订,复习revisionnoun修改revisionnoun修改revisionnoun修改revisionnoun修订reviveverb复兴reviveverb复兴revolutionnoun公转revolutionnoun革命revolutionnoun公转revolveverb旋转;围绕rewardnoun奖励rewardnoun奖励rewardnoun奖励rewardn/v奖励rewardverb奖励rewardnoun奖励rewardingadjective有回报的rewardingadjective有回报的rhetoricnoun修辞学rhinocerosnoun犀牛rhyoliticadjective流纹质的ricenoun米饭ricenoun米饭richadj富有的richadj富有的richadj富有的richadj富有的,丰富的richadjective富有的Richter scalenoun里氏震级Richter scalenoun里氏震级ridev.骑rideverb骑rideverb骑ridgenoun山脊ridgenoun山脊ridiculousadj可笑的ridiculousadjective可笑的ridiculousadj荒谬的riftnoun裂谷riftnoun裂谷riftnoun裂谷rift valleynoun裂谷rift valleynoun裂谷rightnoun权利rightnoun权利rightadj正确的rightnoun权利rightnoun权利right awayphrase立刻right awayphrase立刻right nowphrase现在right nowphrase现在rightlyadv正确地rightlyadv正确地rightsnoun权利rightsnoun权利rigidadjective僵硬的rigidadjective僵化的rigidadjective僵硬的rigidadj僵硬的rigidadj僵硬的rigidadj僵硬的rigidadj僵硬的rigorousadj严格的rigorousadjective严格的rigorousadjective严格的rigorousadj严格的rigorousadj严格的rigorousadj严格的,严谨的rigorouslyadverb严谨地ringverb响ringverb响ringv.响铃ring up动词短语打电话ring upverb phrase打电话ring upverb phrase打电话ripeadj成熟的ripeadj成熟的ripeadj成熟的riseverb上升riseverb上升risev.上升riseverb上升risenoun上升riskn/v风险risknoun风险risknoun风险risknoun风险risknoun风险riskyadjective有风险的riskyadjective有风险的ritenoun仪式rite of passagenoun过渡仪式ritualnoun仪式ritualnoun仪式ritualisticadjective仪式性的rivernoun河流rivernoun河rivern.河流rivernoun河rivernoun河流roadnoun路roadnoun道路roadnoun路roadside assistancen.道路救援roadworkn.道路施工robv.抢劫robotnoun机器人roboticsnoun机器人学robustadjective稳健的robustadj强健的robustadjective稳健的robustadjective强健的robustadjective稳健的robustadj强健的rock artnoun岩石艺术rock cyclenoun岩石循环rodentnoun啮齿动物rolenoun角色rolenoun角色rolenoun角色rolenoun角色rolen角色rolenoun角色;作用role-playnoun角色扮演roofnoun屋顶roofnoun屋顶roofnoun屋顶roomnoun房间roomnoun房间room inspectionnoun房间检查room inspectionnoun宿舍检查room inspectionnoun房间检查room numbern.房间号room servicen.客房服务room servicenoun客房服务roommatenoun室友roommatenoun室友roommatenoun室友roommatenoun室友roommate agreementnoun室友协议roosternoun公鸡rootadjective根本的rootnoun根rootnoun根源rootnoun根rootnoun根root systemnoun根系rootedadj根源的ropenoun绳子rotateverb旋转rotationnoun自转rotationnoun自转roughadj粗略的roughadj粗糙的roughadjective粗略的roughadjective粗糙的roughadj粗糙的roughadjective粗糙的roughadj粗糙的roughlyadv大约roughlyadv大约地roughlyadverb大致roughlyadverb大致roughlyadv大约roughlyadverb大致roughly speakingphrase粗略地说roundadj圆的roundadj圆的roundaboutn.环岛routen.路线routenoun路线routinenoun日常routinenoun常规routinenoun常规rovernoun火星车rubber bandnoun橡皮筋rubricnoun评分标准rubricnoun评分标准rudeadjective粗鲁的rudeadjective粗鲁的rudeadj粗鲁的rudeadj粗鲁的rudeadj粗鲁的rudelyadv粗鲁地rudelyadv粗鲁地rugnoun地毯rugnoun地毯ruinnoun废墟ruinsnoun废墟ruinsnoun废墟rulenoun规则rulenoun规则rulenoun规则rulenoun规则rulenoun规则rulenoun规则rule out动词短语排除rulernoun尺子rulernoun尺子rulern.尺子rulernoun尺子rulernoun尺子runv.跑,经营runverb运行runverb跑runverb跑run afterv.追赶run afterverb追赶run afterverb追赶run awayverb逃跑run awayv.逃跑run awayverb逃跑run intov.偶然遇到,撞上run intoverb偶然遇见run intoverb偶然遇见run out ofverb phrase用完run out ofv.用完run out ofverb phrase用完run overv.碾过runningn.跑步runningnoun跑步runningnoun跑步runoffnoun径流runwaynoun跑道ruraladjective农村的ruraladjective农村的ruraladjective乡村的ruraladj农村的rushverb匆忙rush hournoun高峰时段rush hourn.高峰时段ruthlessadjective无情的ruthlessadjective无情的